Geranium erianthum DC.
northern geranium (northern crane's-bill; woolly geranium)
Geraniaceae (Geranium family)

Introduction to Vascular Plants

Photograph

© Virginia Skilton     (Photo ID #46900)


Map

E-Flora BC Static Map

Distribution of Geranium erianthum
Click here to view the full interactive map and legend

Species Information

General:
Perennial herb from a thick stem-base or rhizome; stems ascending to erect, branched hairy with the hairs pointed downward, 20-80 cm tall.
Leaves:
Basal leaves few, palmately divided into 3-7 segments, rounded in outline, irregularly toothed, long-stalked, 1.5-10 cm long, wider than long; stem leaves similar, opposite, unstalked.
Flowers:
Inflorescence a terminal cluster of 2-5 short-stalked flowers; petals blue to pinkish-purple, rarely white, glabrous on the inner surface except hairy at the base, 16-20 mm long; sepals 8-12 mm long with bulbous-tipped hairs, tips of the sepals bristly; anther filaments conspicuously long-hairy, the hairs up to 3 mm long.
Fruits:
Carpels, hairy; styles 25-32 mm long, the beak 6-9 mm long; seeds solitary, these flung out when the carpel suddenly splits.

SourceThe Illustrated Flora of British Columbia

Illustration

If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.

USDA Species Characteristics

Flower Colour:
Purple
Blooming Period:
Early Summer
Fruit/Seed characteristics:
Colour: Brown
Present over the
Source:  The USDA

Ecology

Ecological Framework for Geranium erianthum

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)

Site Information
Value / Class

Avg

Min

Max

Elevation (metres)
888 250 1700
Slope Gradient (%)
21 0 90

Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]

205 5 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
4 1 7
Modal Nutrient Regime
Class
D
# of field plots
 species was recorded in:
126
Modal BEC Zone Class
ICH

All BEC Zones (# of stations/zone) species was recorded in

BAFA(14), BWBS(1), ESSF(19), ICH(40), IDF(2), MH(5), SBPS(1), SBS(38), SWB(6)

Habitat and Range

Mesic to moist meadows, thickets and open forests in the montane to lower alpine zones; common in the Coast Mountains N of 54degreeN, rare eastward in BC; amphiberingian, N to AK and YT and E to W AB; E Asia.

SourceThe Illustrated Flora of British Columbia

Synonyms

Synonyms and Alternate Names:
Geranium pratense var. erianthum (DC.) B. Boivin